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AUSCERT External Security Bulletin Redistribution
ESB-2022.2523
USN-5437-1: libXfixes vulnerability
24 May 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: libxfixes
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2016-7944
Original Bulletin:
https://ubuntu.com/security/notices/USN-5437-1
Comment: CVSS (Max): 9.8 CVE-2016-7944 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: NVD
Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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USN-5437-1: libXfixes vulnerability
23 May 2022
libXfixes could be made to crash or run programs if it received specially
crafted input.
Releases
o Ubuntu 16.04 ESM
Packages
o libxfixes - X11 miscellaneous fixes extension library
Details
Tobias Stoeckmann discovered that libXfixes incorrectly handled certain
inputs. An attacker could possibly use this issue to cause a denial
of service, or possibly execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 16.04
o libxfixes3 - 1:5.0.1-2ubuntu0.1~esm1
Available with UA Infra or UA Desktop
In general, a standard system update will make all the necessary changes.
References
o CVE-2016-7944
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